/*************************************************************************
	> File Name: test.c
	> Author: 
	> Mail: 
	> Created Time: Mon Jan 24 20:36:55 2022
 ************************************************************************/

#include<stdio.h>


#include <stdio.h>
#include <string.h>

int main(  )
{
        char buf[1000];
        char tmp;
        int i = 0;
        int j = 0;
        char a = 0;
       
        
        bzero(buf, sizeof(buf));
        gets(buf);
        scanf("%c", &tmp);
       
        if(tmp <= 'z' && tmp >= 'a')
    {
                  a = tmp - 31;
            
    } 
        
         if(tmp <= 'Z' && tmp >= 'A')
    {
                  a = tmp + 31;
            
    }  
        
        while(buf[i] != '\0' )
    {}
